26991328

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 70834176

約数和(自身を除く): 43842848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 31, 32, 46, 52, 56, 62, 91, 92, 104, 112, 124, 161, 169, 182, 184, 208, 217, 224, 248, 299, 322, 338, 364, 368, 403, 416, 434, 496, 598, 644, 676, 713, 728, 736, 806, 868, 992, 1183, 1196, 1288, 1352, 1426, 1456, 1612, 1736, 2093, 2366, 2392, 2576, 2704, 2821, 2852, 2912, 3224, 3472, 3887, 4186, 4732, 4784, 4991, 5152, 5239, 5408, 5642, 5704, 6448, 6944, 7774, 8372, 9269, 9464, 9568, 9982, 10478, 11284, 11408, 12896, 15548, 16744, 18538, 18928, 19964, 20956, 22568, 22816, 27209, 31096, 33488, 36673, 37076, 37856, 39928, 41912, 45136, 54418, 62192, 64883, 66976, 73346, 74152, 79856, 83824, 90272, 108836, 120497, 124384, 129766, 146692, 148304, 159712, 167648, 217672, 240994, 259532, 293384, 296608, 435344, 481988, 519064, 586768, 843479, 870688, 963976, 1038128, 1173536, 1686958, 1927952, 2076256, 3373916, 3855904, 6747832, 13495664, 26991328]

約数ペア:

[(1, 26991328), (2, 13495664), (4, 6747832), (7, 3855904), (8, 3373916), (13, 2076256), (14, 1927952), (16, 1686958), (23, 1173536), (26, 1038128), (28, 963976), (31, 870688), (32, 843479), (46, 586768), (52, 519064), (56, 481988), (62, 435344), (91, 296608), (92, 293384), (104, 259532), (112, 240994), (124, 217672), (161, 167648), (169, 159712), (182, 148304), (184, 146692), (208, 129766), (217, 124384), (224, 120497), (248, 108836), (299, 90272), (322, 83824), (338, 79856), (364, 74152), (368, 73346), (403, 66976), (416, 64883), (434, 62192), (496, 54418), (598, 45136), (644, 41912), (676, 39928), (713, 37856), (728, 37076), (736, 36673), (806, 33488), (868, 31096), (992, 27209), (1183, 22816), (1196, 22568), (1288, 20956), (1352, 19964), (1426, 18928), (1456, 18538), (1612, 16744), (1736, 15548), (2093, 12896), (2366, 11408), (2392, 11284), (2576, 10478), (2704, 9982), (2821, 9568), (2852, 9464), (2912, 9269), (3224, 8372), (3472, 7774), (3887, 6944), (4186, 6448), (4732, 5704), (4784, 5642), (4991, 5408), (5152, 5239)]